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Yamaha
Home Theater System

Model # YHT-494BL Official Yamaha home theater system

Here are the diagrams and repair parts for Official Yamaha YHT-494BL home theater system, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 89 parts  |
Integrated Circuit X6386A00
#NI

Cabinet parts diagram

Integrated circuit

Part #X6386A00

The manufacturer no longer makes this part, and there's no substitute part

Button Pow WT829600
#1-7

Cabinet parts diagram

Button pow

Part #WT829600

The manufacturer no longer makes this part, and there's no substitute part

Transistor WC434900
#NI

Cabinet parts diagram

Transistor

Part #WC434900

The manufacturer no longer makes this part, and there's no substitute part

Ic R5f364a YC683A00
#NI

Cabinet parts diagram

Ic r5f364a

Part #YC683A00

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X7378A00
#NI

Cabinet parts diagram

Integrated circuit

Part #X7378A00

The manufacturer no longer makes this part, and there's no substitute part

Relay WJ122400
#NI

Cabinet parts diagram

Relay

Part #WJ122400

The manufacturer no longer makes this part, and there's no substitute part

Supprt Pcb WA796100
#109

Cabinet parts diagram

Supprt pcb

Part #WA796100

The manufacturer no longer makes this part, and there's no substitute part

Oper Pcb WU124500
#1-1

Cabinet parts diagram

Oper pcb

Part #WU124500

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X8190B00
#NI

Cabinet parts diagram

Integrated circuit

Part #X8190B00

The manufacturer no longer makes this part, and there's no substitute part

Integrated Circuit X7741A00
#NI

Cabinet parts diagram

Integrated circuit

Part #X7741A00

The manufacturer no longer makes this part, and there's no substitute part

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